(()=>{
  let recom = document.getElementById("recom");
  recom.onclick = ()=>{
    let playlist_new = document.getElementById("playlist_new");
    playlist_new.style.display = "block";
    let playlist_recom = document.getElementById("playlist_recom");
    playlist_recom.style.display = "none";
    recom.style.backgroundColor = "#3AC17E";
    recom.style.color = "#fff";
    recom.style.border = "0";
    let newest = document.getElementById("newest");
    newest.style.backgroundColor = "#FAFAFA";
    newest.style.border = "1px solid #c9c9c9";
    newest.style.color = "#000";
  }
})();
(()=>{
  let newest = document.getElementById("newest");
  newest.onclick = ()=>{
    let playlist_new = document.getElementById("playlist_new");
    let playlist_recom = document.getElementById("playlist_recom");
    playlist_new.style.display = "none";
    playlist_recom.style.display = "block";
    newest.style.backgroundColor = "#3AC17E";
    newest.style.color = "#fff";
    newest.style.border = "0";
    let recom = document.getElementById("recom");
    recom.style.backgroundColor = "#FAFAFA";
    recom.style.border = "1px solid #c9c9c9";
    recom.style.color = "#000";
  }
})();